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1000
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Abstract/Summary
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Background Analytical validity is a prerequisite to use a next generation sequencing (NGS)-based application as an in vitro
diagnostic test or a companion diagnostic in clinical practice. Currently, in the United States and the European Union, the
intended use of such NGS-based tests does not refer to guided drug therapy on the basis of pharmacogenetic profiling of
drug metabolizing enzymes, although the value of pharmacogenetic testing has been reported. However, in research, a large
variety of NGS-based tests are used and have been confirmed to be at least comparable to array-based testing.
Methods and Results A systematic evaluation was performed screening and assessing published literature on analytical
validation of NGS applications for pharmacogenetic profiling of CYP2C9, CYP2C19, CYP2D6, VKORC1 and/or
UGT1A1. Although NGS applications are also increasingly used for implementation assessments in clinical practice, we
show in the present systematic literature evaluation that published information on the current status of analytical validation
of NGS applications targeting drug metabolizing enzymes is scarce. Furthermore, a comprehensive performance evaluation
of whole exome and whole genome sequencing with the intended use for pharmacogenetic profiling has not been published
so far.
Conclusions A standard in reporting on analytical validation of NGS-based tests is not in place yet. Therefore, many relevant
performance criteria are not addressed in published literature. For an appropriate analytical validation of an NGS-based qualitative
test for pharmacogenetic profiling at least accuracy, precision, limit of detection and specificity should be addressed
to facilitate the implementation of such tests in clinical use.
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